omap-common: reorganize spl.c
authorSimon Schwarz <simonschwarzcor@googlemail.com>
Wed, 14 Sep 2011 19:33:34 +0000 (15:33 -0400)
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>
Fri, 30 Sep 2011 20:00:55 +0000 (22:00 +0200)
split-up spl.c into spl.c, spl_mmc.c and spl_nand.c. This avoids problems
with missing defines if a board does not use mmc or nand. This includes
adding spl_ prefix to some functions which are now public. spl_image_t is now
a public type. Added some of the common functions to omap-common.h

Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
arch/arm/cpu/armv7/omap-common/Makefile
arch/arm/cpu/armv7/omap-common/spl.c
arch/arm/cpu/armv7/omap-common/spl_mmc.c [new file with mode: 0644]
arch/arm/cpu/armv7/omap-common/spl_nand.c [new file with mode: 0644]

index ea9f8ec..0b96b47 100644 (file)
@@ -33,6 +33,12 @@ COBJS        += gpio.o
 
 ifdef CONFIG_SPL_BUILD
 COBJS  += spl.o
+ifdef CONFIG_SPL_NAND_SUPPORT
+COBJS  += spl_nand.o
+endif
+ifdef CONFIG_SPL_MMC_SUPPORT
+COBJS  += spl_mmc.o
+endif
 endif
 
 SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
index 3dd8e0d..c76fea6 100644 (file)
 
 DECLARE_GLOBAL_DATA_PTR;
 
+struct spl_image_info spl_image;
+
 /* Define global data structure pointer to it*/
 static gd_t gdata __attribute__ ((section(".data")));
 static bd_t bdata __attribute__ ((section(".data")));
-static const char *image_name;
-static u8 image_os;
-static u32 image_load_addr;
-static u32 image_entry_point;
-static u32 image_size;
 
 inline void hang(void)
 {
@@ -66,194 +63,40 @@ void board_init_f(ulong dummy)
        relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE);
 }
 
-#ifdef CONFIG_GENERIC_MMC
-int board_mmc_init(bd_t *bis)
-{
-       switch (omap_boot_device()) {
-       case BOOT_DEVICE_MMC1:
-               omap_mmc_init(0);
-               break;
-       case BOOT_DEVICE_MMC2:
-               omap_mmc_init(1);
-               break;
-       }
-       return 0;
-}
-#endif
-
-static void parse_image_header(const struct image_header *header)
+void spl_parse_image_header(const struct image_header *header)
 {
        u32 header_size = sizeof(struct image_header);
 
        if (__be32_to_cpu(header->ih_magic) == IH_MAGIC) {
-               image_size = __be32_to_cpu(header->ih_size) + header_size;
-               image_entry_point = __be32_to_cpu(header->ih_load);
+               spl_image.size = __be32_to_cpu(header->ih_size) + header_size;
+               spl_image.entry_point = __be32_to_cpu(header->ih_load);
                /* Load including the header */
-               image_load_addr = image_entry_point - header_size;
-               image_os = header->ih_os;
-               image_name = (const char *)&header->ih_name;
+               spl_image.load_addr = spl_image.entry_point - header_size;
+               spl_image.os = header->ih_os;
+               spl_image.name = (const char *)&header->ih_name;
                debug("spl: payload image: %s load addr: 0x%x size: %d\n",
-                       image_name, image_load_addr, image_size);
+                       spl_image.name, spl_image.load_addr, spl_image.size);
        } else {
                /* Signature not found - assume u-boot.bin */
                printf("mkimage signature not found - ih_magic = %x\n",
                        header->ih_magic);
                puts("Assuming u-boot.bin ..\n");
                /* Let's assume U-Boot will not be more than 200 KB */
-               image_size = 200 * 1024;
-               image_entry_point = CONFIG_SYS_TEXT_BASE;
-               image_load_addr = CONFIG_SYS_TEXT_BASE;
-               image_os = IH_OS_U_BOOT;
-               image_name = "U-Boot";
-       }
-}
-
-static void mmc_load_image_raw(struct mmc *mmc)
-{
-       u32 image_size_sectors, err;
-       const struct image_header *header;
-
-       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
-                                               sizeof(struct image_header));
-
-       /* read image header to find the image size & load address */
-       err = mmc->block_dev.block_read(0,
-                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1,
-                       (void *)header);
-
-       if (err <= 0)
-               goto end;
-
-       parse_image_header(header);
-
-       /* convert size to sectors - round up */
-       image_size_sectors = (image_size + MMCSD_SECTOR_SIZE - 1) /
-                               MMCSD_SECTOR_SIZE;
-
-       /* Read the header too to avoid extra memcpy */
-       err = mmc->block_dev.block_read(0,
-                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
-                       image_size_sectors, (void *)image_load_addr);
-
-end:
-       if (err <= 0) {
-               printf("spl: mmc blk read err - %d\n", err);
-               hang();
+               spl_image.size = 200 * 1024;
+               spl_image.entry_point = CONFIG_SYS_TEXT_BASE;
+               spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
+               spl_image.os = IH_OS_U_BOOT;
+               spl_image.name = "U-Boot";
        }
 }
 
-static void mmc_load_image_fat(struct mmc *mmc)
-{
-       s32 err;
-       struct image_header *header;
-
-       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
-                                               sizeof(struct image_header));
-
-       err = fat_register_device(&mmc->block_dev,
-                               CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
-       if (err) {
-               printf("spl: fat register err - %d\n", err);
-               hang();
-       }
-
-       err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
-                               (u8 *)header, sizeof(struct image_header));
-       if (err <= 0)
-               goto end;
-
-       parse_image_header(header);
-
-       err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
-                               (u8 *)image_load_addr, 0);
-
-end:
-       if (err <= 0) {
-               printf("spl: error reading image %s, err - %d\n",
-                       CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err);
-               hang();
-       }
-}
-static void mmc_load_image(void) __attribute__((unused));
-static void mmc_load_image(void)
-{
-       struct mmc *mmc;
-       int err;
-       u32 boot_mode;
-
-       mmc_initialize(gd->bd);
-       /* We register only one device. So, the dev id is always 0 */
-       mmc = find_mmc_device(0);
-       if (!mmc) {
-               puts("spl: mmc device not found!!\n");
-               hang();
-       }
-
-       err = mmc_init(mmc);
-       if (err) {
-               printf("spl: mmc init failed: err - %d\n", err);
-               hang();
-       }
-/* For OMAP3 there is no automatic boot mode detection */
-#ifdef CONFIG_OMAP34XX
-       boot_mode = CONFIG_SYS_MMC_SD_BOOTMODE;
-#else
-       boot_mode = omap_boot_mode();
-#endif
-       if (boot_mode == MMCSD_MODE_RAW) {
-               debug("boot mode - RAW\n");
-               mmc_load_image_raw(mmc);
-       } else if (boot_mode == MMCSD_MODE_FAT) {
-               debug("boot mode - FAT\n");
-               mmc_load_image_fat(mmc);
-       } else {
-               puts("spl: wrong MMC boot mode\n");
-               hang();
-       }
-}
-
-#ifdef CONFIG_SPL_NAND_SUPPORT
-static void nand_load_image(void) __attribute__ ((unused));
-static void nand_load_image(void)
-{
-       struct image_header *header;
-
-       gpmc_init();
-       nand_init();
-
-       /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
-       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
-
-#ifdef CONFIG_NAND_ENV_DST
-       nand_spl_load_image(CONFIG_ENV_OFFSET,
-               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
-       parse_image_header(header);
-       nand_spl_load_image(CONFIG_ENV_OFFSET, image_size,
-               (void *)image_load_addr);
-#ifdef CONFIG_ENV_OFFSET_REDUND
-       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
-               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
-       parse_image_header(header);
-       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, image_size,
-               (void *)image_load_addr);
-#endif
-#endif
-       /* Load u-boot */
-       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
-               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
-       parse_image_header(header);
-       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
-               image_size, (void *)image_load_addr);
-       nand_deselect();
-}
-#endif /* CONFIG_SPL_NAND_SUPPORT */
-void jump_to_image_no_args(void)
+static void jump_to_image_no_args(void)
 {
        typedef void (*image_entry_noargs_t)(void)__attribute__ ((noreturn));
        image_entry_noargs_t image_entry =
-                       (image_entry_noargs_t) image_entry_point;
+                       (image_entry_noargs_t) spl_image.entry_point;
 
-       debug("image entry point: 0x%X\n", image_entry_point);
+       debug("image entry point: 0x%X\n", spl_image.entry_point);
        image_entry();
 }
 
@@ -272,12 +115,12 @@ void board_init_r(gd_t *id, ulong dummy)
 #ifdef CONFIG_SPL_MMC_SUPPORT
        case BOOT_DEVICE_MMC1:
        case BOOT_DEVICE_MMC2:
-               mmc_load_image();
+               spl_mmc_load_image();
                break;
 #endif
 #ifdef CONFIG_SPL_NAND_SUPPORT
        case BOOT_DEVICE_NAND:
-               nand_load_image();
+               spl_nand_load_image();
                break;
 #endif
        default:
@@ -286,7 +129,7 @@ void board_init_r(gd_t *id, ulong dummy)
                break;
        }
 
-       switch (image_os) {
+       switch (spl_image.os) {
        case IH_OS_U_BOOT:
                debug("Jumping to U-Boot\n");
                jump_to_image_no_args();
diff --git a/arch/arm/cpu/armv7/omap-common/spl_mmc.c b/arch/arm/cpu/armv7/omap-common/spl_mmc.c
new file mode 100644 (file)
index 0000000..1d1e50c
--- /dev/null
@@ -0,0 +1,150 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <asm/arch/sys_proto.h>
+#include <mmc.h>
+#include <fat.h>
+#include <timestamp_autogenerated.h>
+#include <version_autogenerated.h>
+#include <asm/omap_common.h>
+#include <asm/arch/mmc_host_def.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+       switch (omap_boot_device()) {
+       case BOOT_DEVICE_MMC1:
+               omap_mmc_init(0);
+               break;
+       case BOOT_DEVICE_MMC2:
+               omap_mmc_init(1);
+               break;
+       }
+       return 0;
+}
+#endif
+
+static void mmc_load_image_raw(struct mmc *mmc)
+{
+       u32 image_size_sectors, err;
+       const struct image_header *header;
+
+       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+                                               sizeof(struct image_header));
+
+       /* read image header to find the image size & load address */
+       err = mmc->block_dev.block_read(0,
+                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1,
+                       (void *)header);
+
+       if (err <= 0)
+               goto end;
+
+       spl_parse_image_header(header);
+
+       /* convert size to sectors - round up */
+       image_size_sectors = (spl_image.size + MMCSD_SECTOR_SIZE - 1) /
+                               MMCSD_SECTOR_SIZE;
+
+       /* Read the header too to avoid extra memcpy */
+       err = mmc->block_dev.block_read(0,
+                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
+                       image_size_sectors, (void *)spl_image.load_addr);
+
+end:
+       if (err <= 0) {
+               printf("spl: mmc blk read err - %d\n", err);
+               hang();
+       }
+}
+
+static void mmc_load_image_fat(struct mmc *mmc)
+{
+       s32 err;
+       struct image_header *header;
+
+       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+                                               sizeof(struct image_header));
+
+       err = fat_register_device(&mmc->block_dev,
+                               CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
+       if (err) {
+               printf("spl: fat register err - %d\n", err);
+               hang();
+       }
+
+       err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
+                               (u8 *)header, sizeof(struct image_header));
+       if (err <= 0)
+               goto end;
+
+       spl_parse_image_header(header);
+
+       err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
+                               (u8 *)spl_image.load_addr, 0);
+
+end:
+       if (err <= 0) {
+               printf("spl: error reading image %s, err - %d\n",
+                       CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err);
+               hang();
+       }
+}
+
+void spl_mmc_load_image(void)
+{
+       struct mmc *mmc;
+       int err;
+       u32 boot_mode;
+
+       mmc_initialize(gd->bd);
+       /* We register only one device. So, the dev id is always 0 */
+       mmc = find_mmc_device(0);
+       if (!mmc) {
+               puts("spl: mmc device not found!!\n");
+               hang();
+       }
+
+       err = mmc_init(mmc);
+       if (err) {
+               printf("spl: mmc init failed: err - %d\n", err);
+               hang();
+       }
+       boot_mode = omap_boot_mode();
+       if (boot_mode == MMCSD_MODE_RAW) {
+               debug("boot mode - RAW\n");
+               mmc_load_image_raw(mmc);
+       } else if (boot_mode == MMCSD_MODE_FAT) {
+               debug("boot mode - FAT\n");
+               mmc_load_image_fat(mmc);
+       } else {
+               puts("spl: wrong MMC boot mode\n");
+               hang();
+       }
+}
diff --git a/arch/arm/cpu/armv7/omap-common/spl_nand.c b/arch/arm/cpu/armv7/omap-common/spl_nand.c
new file mode 100644 (file)
index 0000000..af02a59
--- /dev/null
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <asm/arch/sys_proto.h>
+#include <nand.h>
+#include <timestamp_autogenerated.h>
+#include <version_autogenerated.h>
+#include <asm/omap_common.h>
+
+
+void spl_nand_load_image(void)
+{
+       struct image_header *header;
+       switch (omap_boot_mode()) {
+       case NAND_MODE_HW_ECC:
+               debug("spl: nand - using hw ecc\n");
+               gpmc_init();
+               nand_init();
+               break;
+       default:
+               puts("spl: ERROR: This bootmode is not implemented - hanging");
+               hang();
+       }
+
+       /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
+       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+
+#ifdef CONFIG_NAND_ENV_DST
+       nand_spl_load_image(CONFIG_ENV_OFFSET,
+               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+       spl_parse_image_header(header);
+       nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
+               (void *)image_load_addr);
+#ifdef CONFIG_ENV_OFFSET_REDUND
+       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
+               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+       spl_parse_image_header(header);
+       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
+               (void *)image_load_addr);
+#endif
+#endif
+       /* Load u-boot */
+       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+       spl_parse_image_header(header);
+       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+               spl_image.size, (void *)spl_image.load_addr);
+       nand_deselect();
+}